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better cassandra process checks
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Description

with additional jvm settings we're pushing out the CassandraDaemon string from cmdline proc file, thus nagios' check_proc is failing. Since cassandra is all systemd anyway we should be using nrpe::monitor_systemd_unit_state instead

See also: T93886: Cassandra/CQL query interface monitoring

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Change 230066 had a related patch set uploaded (by Filippo Giunchedi):
cassandra: switch to nrpe::monitor_systemd_unit_state

https://gerrit.wikimedia.org/r/230066

Wouldn't it be prudent to switch to a real SystemD unit conf file first?

more than prudent, it is a requirement.. for some reason I thought we already did that!

Change 242548 had a related patch set uploaded (by Filippo Giunchedi):
cassandra: ship systemd service file

https://gerrit.wikimedia.org/r/242548

Change 242548 merged by Filippo Giunchedi:
cassandra: ship systemd service file

https://gerrit.wikimedia.org/r/242548

Eevans set Security to None.

Change 230066 abandoned by Filippo Giunchedi:
cassandra: switch to nrpe::monitor_systemd_unit_state

Reason:
superceded by https://gerrit.wikimedia.org/r/#/c/249082/

https://gerrit.wikimedia.org/r/230066